Genuine Honda Secondary Master Cylinder Piston Set – 43520-MAJ-G42

Genuine Honda OEM Replacement Part – Linked Braking System

Maintain your Honda's original braking system with this Genuine Honda Secondary Master Cylinder Piston Set, designed for use in selected Honda motorcycles equipped with Honda's linked braking system.

Manufactured to Honda's OEM specifications, this replacement piston set is intended for servicing the secondary master cylinder assembly, helping restore correct hydraulic operation when replacing worn or damaged internal components.

This part is particularly relevant to owners maintaining or restoring the Honda CBR1100XX Super Blackbird, where correct operation of the linked braking system is essential.

Features

• Genuine Honda OEM replacement component

• Secondary master cylinder piston set

• Designed for selected Honda linked braking systems

• Suitable for replacement of worn or damaged original components

• Honda replacement part number 43520-MAJ-G42

• Supersedes/interchanges with 43520-MAJ-G41

• OEM replacement part for selected Honda motorcycles

• Suitable for maintenance and restoration applications

Specifications

Fitment

Honda CBR1100XX Super Blackbird

1997–2003

Listed for the secondary master cylinder assembly.

Honda ST1100 Pan European

1996–2002

Listed for the secondary master cylinder assembly on applicable variants.

Honda GL1800 Gold Wing

2001–2017

Listed for the delay valve assembly on applicable variants.

Honda GL1800B / GL1800B2 / GL1800BD

2013–2017, selected variants

Listed for the delay valve assembly.

Important: Fitment is based on the manufacturer's supplied parts listings and may vary by year, market and model designation. Not every variant within the listed year ranges is necessarily compatible.

Please confirm compatibility using your motorcycle's VIN, original Honda parts catalogue or existing part number before ordering.

Genuine Honda Replacement Parts

Honda may periodically update or consolidate genuine part numbers due to manufacturing changes, component improvements or compatibility across different models.

Part number 43520-MAJ-G42 is listed as interchangeable with 43520-MAJ-G41.

Where Honda has introduced a replacement or consolidated part number, the supplied component may differ slightly in appearance from the original while remaining an approved replacement for the specified application.

Important Information

• Genuine Honda OEM replacement part.

• Confirm the correct part number and application before ordering.

• This listing is for the piston set, not the complete secondary master cylinder assembly.

• Supplied components are determined by Honda's current genuine parts specification.

• Product appearance or specifications may differ from earlier versions due to manufacturer updates.

• This product is sourced for the Japanese domestic market (JDM). Specifications and compatibility may differ for international models.

• Images are for reference only.

• Installation and servicing of hydraulic braking components should be carried out by a suitably qualified motorcycle technician.

• Correct brake system bleeding and functional testing are essential following installation.

• Manufacturer specifications may change without notice.

Special Order Information

This genuine Honda component may be sourced specifically for your order.

Cancellations, change-of-mind returns and exchanges may not be accepted once the supplier order has been placed, subject to your rights under applicable New Zealand consumer law.

Please verify your motorcycle's model, year and required part number before purchasing.

Genuine Honda Parts. Correct Braking Performance.

The Honda Secondary Master Cylinder Piston Set – 43520-MAJ-G42 provides a genuine OEM replacement option for maintaining selected Honda linked braking systems.

Whether servicing a CBR1100XX Super Blackbird or restoring another compatible Honda motorcycle, using the correct genuine replacement components helps maintain the braking system as designed.